Statistics & Probability symbols



Across
6. zx = (x-x) / sx
7. value that occurs most frequently in population
12. Bin(n,p)
13. the symbol is ∑
14. the symbol is MR
15. The corr(X,Y) = 0.6
   
Down
1. population samples variance estimator
2. this is the ∑∑
3. Poisson(λ)
4. middle value of random variable x
5. the std(X) = 2
8. expected value of random variable X
9. expected value of random variable X given Y
10. the var(X) = 4
11. covariance of random variables X and Y